Mar 8, 2013 ... Some of you may have wondered what the difference is between a 1 stage and 2
stage pump. In this video I go over the difference between the two, hopefully
helping you to decide which pump is best for you. Either will do the job. The
single stage is a 2.5 CFM pump and the two stage is a 3.9 CFM pump....

Alibaba offers 13116 single stage vacuum pump products. About 100% of
these are pumps. A wide variety of single stage vacuum pump options are
available to you, such as single-stage pump, piston pump, and multistage pump....

Jun 3, 2014 ... i really like my new vacuum pump. ... I used to buy chinese airguns - if you
followed the directions, you were at risk of shooting your eye out :D﻿ .... I bought a
larger cfm version of that (rs-2 i think it was) .... sadly within 10 minutes of total
operation time (not continuous) it shorted to the case, putting 120 volts ......

Mar 8, 2013 ... Some of you may have wondered what the difference is between a 1 stage and 2
stage pump. In this video I go over the difference between the two, hopefully
helping you to decide which pump is best for you. Either will do the job. The
single stage is a 2.5 CFM pump and the two stage is a 3.9 CFM pump....

Alibaba offers 13116 single stage vacuum pump products. About 100% of
these are pumps. A wide variety of single stage vacuum pump options are
available to you, such as single-stage pump, piston pump, and multistage pump....

Jun 3, 2014 ... i really like my new vacuum pump. ... I used to buy chinese airguns - if you
followed the directions, you were at risk of shooting your eye out :D﻿ .... I bought a
larger cfm version of that (rs-2 i think it was) .... sadly within 10 minutes of total
operation time (not continuous) it shorted to the case, putting 120 volts ......